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Long non-coding mRNA

L-J Xu, X-J Yu, B Wei, H-X Hui, Y Sun, J Dai, X-F Chen
OBJECTIVE: The purpose of this research was to detect the expression of long non-coding RNA DUXAP8 in esophageal cancer, and to explore its underlying mechanism in the development of esophageal squamous cell carcinoma (ESCC). PATIENTS AND METHODS: We collected 78 pairs of esophageal cancer tissues and normal adjacent tissues. The mRNA level of DUXAP8 in these esophageal cancer tissues and corresponding adjacent tissues was detected by quantitative Real-time polymerase chain reaction (qRT-PCR)...
May 2018: European Review for Medical and Pharmacological Sciences
Shouhua Chen, Xiaobin Fan, He Gu, Lili Zhang, Wenhua Zhao
The present study aimed to screen all types of RNAs involved in the development of papillary thyroid carcinoma (PTC). RNA‑sequencing data of PTC and normal samples were used for screening differentially expressed (DE) microRNAs (DE‑miRNAs), long non‑coding RNAs (DE‑lncRNAs) and genes (DEGs). Subsequently, lncRNA‑miRNA, miRNA‑gene (that is, miRNA‑mRNA) and gene‑gene interaction pairs were extracted and used to construct regulatory networks. Feature genes in the miRNA‑mRNA network were identified by topological analysis and recursive feature elimination analysis...
May 11, 2018: Molecular Medicine Reports
Sarika Sahu, Atmakuri Ramakrishna Rao, Jaya Pandey, Kishor Gaikwad, Sabari Ghoshal, Trilochan Mohapatra
Long non coding RNAs (lncRNAs) are a class of non-protein coding RNAs that play a crucial role in most of the biological activities like nodule metabolism, flowering time and male sterility. Quite often, the function of lncRNAs is species-specific in nature. Thus an attempt has been made in cluster bean (Cyamopsis tetragonoloba) for the first time to computationally identify lncRNAs based on a proposed index and study their targeted genes. Further, these targeted genes of lncRNAs were identified and characterized for their role in various biological processes like stress mechanisms, DNA damage repair, cell wall synthesis...
May 10, 2018: Gene
Zhengjun Liu, Guangyu Wu, Cai Lin, Hailei Guo, Jianjun Xu, Tianlan Zhao
The present study examined expression and potential functions of insulin-like growth factor 2 mRNA-binding protein 1 (IGF2BP1) in human skin squamous cell carcinoma (SCC). We show that IGF2BP1 mRNA and protein expression levels were upregulated in established (A431 line) and primary human skin SCC cells. Its expression was also increased in human skin SCC tissues, as compared to the normal skin tissues. In skin SCC cells, IGF2BP1 silencing or CRISPR/Cas9 knockout decreased levels of IGF2BP1-stablized mRNAs, including IGF2, CD44, Gli1 and Myc...
May 14, 2018: Biochemical and Biophysical Research Communications
Xue-Ting Ye, Hang Huang, Wei-Ping Huang, Wei-Lie Hu
BACKGROUND: Recent studies have characterized a novel but extremely conserved long non-coding RNA (LncRNA) THOR. THOR directly associates with insulin-like growth factor 2 mRNA-binding protein 1 (IGF2BP1) to promote mRNA stabilization of key pro-cancerous genes. RESULTS: Here, we show that THOR is expressed in human renal cell carcinoma (RCC) tissues and established/primary human RCC cells. It was not detected in normal renal tissues nor in HK-2 and primary human renal epithelial cells...
May 9, 2018: Biochemical and Biophysical Research Communications
Chun-Chi Chang, Ting-Yuan Liu, Ya-Ting Lee, Yu-Chia Chen, Kun-Tu Yeh, Chien-Chin Lee, Ya-Ling Chen, Pei-Chin Lin, Ya-Sian Chang, Wen-Ling Chan, Ta-Chih Liu, Jan-Gowth Chang
Long non‑coding RNAs (lncRNAs) have various functions, including chromatin remodeling and the regulation of gene expression at the transcriptional and post-transcriptional levels. However, few lncRNAs have been investigated comprehensively, with the majority being uncharacterized. In the present study, a bioinformatics pipeline was established to identify novel lncRNA sequences similar to the 3'-untranslated regions (3'‑UTRs) of protein-coding genes. These pairs of lncRNAs and coding genes contained the same microRNA (miRNA) target sites; the lncRNA CR933609 matched the 3'‑UTR of INO80 complex subunit D (INO80D) mRNA...
May 8, 2018: International Journal of Oncology
Hong Wu, Fang Wen, Mei Jiang, Qiang Liu, Yijun Nie
High glucose combined with high FFAs can contribute to the unfavorable development of type 2 diabetes mellitus (T2DM) and monocytes/macrophages are important in the occurrence and development of T2DM, which is regarded as a type of low‑grade inflammation. Although our previous study demonstrated that increased expression of P2X7 receptor (P2X7R) in peripheral blood monocytes may alter the innate immune system and that long non‑coding (lnc)RNA uc.48+ was involved in diabetic neuropathic pain, the involvement of uc...
May 9, 2018: International Journal of Molecular Medicine
Shibao Zhang, Zongwu Li, Longyang Zhang, Zhonghua Xu
Prostate cancer gene expression marker 1 (PCGEM1) is a prostate‑specific gene overexpressed in prostate cancer cells that promotes cell proliferation. To study the molecular mechanism of PCGEM1 function in hormone‑refractory prostate cancer, the interaction between myocyte enhancer factor 2 (MEF2) and PCGEM1 was assessed by a luciferase reporter assay and chromatin immunoprecipitation (ChIP) assay. In addition, the underlying mechanism of PCGEM1 regulating expression of microRNA (miR)‑148a in PC3 prostate cancer cells was evaluated...
May 4, 2018: Molecular Medicine Reports
Jukun Song, Aizhu Ye, Enli Jiang, Xinhai Yin, Zhu Chen, Guohui Bai, Yu Zhou, Jianguo Liu
A growing body of studies has demonstrated that long non-coding RNA (lncRNA) are regarded as the primary section of the ceRNA network. This is thought to be the case owing to its regulation of protein-coding gene expression by functioning as miRNA sponges. However, functional roles and regulatory mechanisms of lncRNA-mediated ceRNA in cervical squamous cell carcinoma (CESC), as well as their use for potential prediction of CESC prognosis, remains unknown. The aberrant expression profiles of mRNA, lncRNA, and miRNA of 306 cervical squamous cancer tissues and three adjacent cervical tissues were obtained from the TCGA database...
May 9, 2018: Journal of Cellular Biochemistry
Yuan Gao, Fei Xiao, Chenglong Wang, Chuandong Wang, Penglei Cui, Xiaoling Zhang, Xiaodong Chen
Osteogenic differentiation of human bone marrow-derived mesenchymal stem cells (hBMSCs) is essential for the human bone formation, and emerging evidence shows that long non-coding RNAs (lncRNAs) play important roles in hBMSC osteogenic differentiation. MALAT1 is often regarded as a tumor-related lncRNA, but its function in mesenchymal stem cell differentiation remains to be defined. In this study, we aimed to investigate whether MALAT1 regulates Osterix (Osx) expression by sponging miR-143 to promote hBMSC osteogenic differentiation...
May 9, 2018: Journal of Cellular Biochemistry
Nehal Samir, Marwa Matboli, Hanaa El-Tayeb, Ahmed El-Tawdi, Mohmed K Hassan, Sherif El-Khamisy, Hesham A E El-Akkad, Mohamed G Ramadan, Tarek N Al-Belkini, Farid El-Asmar
The competing endogenous RNA networks play a pivotal role in cancer diagnosis and progression. Novel properstrategies for early detection of colorectal cancer (CRC) are strongly needed. We investigated a novel CRC-specific RNA-based integrated competing endogenous network composed of lethal3 malignant brain tumor like1 (L3MBTL1) gene, long non-coding intergenic RNA- (lncRNA RP11-909B2.1) and homo sapiens microRNA-595 (hsa-miRNA-595) using in silico data analysis. RT-qPCR-based validation of the network was achieved in serum of 70 patients with CRC, 40 patients with benign colorectal neoplasm, and 20 healthy controls...
May 8, 2018: Journal of Cellular Biochemistry
Yin Jia, Kang Xiong, Han-Xiao Ren, Wen-Jie Li
βΒ2-crystallin (CRYBB2) is expressed at an increased level in the postnatal lens cortex and is associated with cataracts. Improved understanding of the underlying biology of cataracts is likely to be critical for the development of early detection strategies and new therapeutics. The present study aimed to identify long non-coding RNAs (lncRNAs) and mRNAs associated with CRYBB2 knockdown (KO)-induced cataracts. RNAs from 3 non-treated mice and 3 CRYBB2 KO mice were analyzed using the Affymetrix GeneChip Mouse Gene 2...
May 2018: Experimental and Therapeutic Medicine
Zichang Yang, Xiaonan Shi, Ce Li, Xiaoxun Wang, Kezuo Hou, Zhi Li, Xiaojie Zhang, Yibo Fan, Xiujuan Qu, Xiaofang Che, Yunpeng Liu
A variety of solid tumors are surrounded by a hypoxic microenvironment, which is known to be associated with high metastatic capability and resistance to various clinical therapies, contributing to a poor survival rate for cancer patients. Although the majority of previous studies on tumor-associated hypoxia have focused on acute hypoxia, chronic hypoxia more closely mimics the actual hypoxic microenvironment of a tumor. In this study, two novel hypoxia-resistant gastric cancer (HRGC) cell lines which could grow normally in 2% oxygen were established...
April 30, 2018: Experimental Cell Research
Kanagaraj Arun, Ganesan Arunkumar, Duraisamy Bennet, Servarayan Murugesan Chandramohan, Avaniyapuram Kannan Murugan, Arasambattu Kannan Munirajan
Gastric cancer remains fifth most common cancer often diagnosed at an advanced stage and is the second leading cause of cancer-related death worldwide. Long non-coding RNAs (lncRNAs) involved in various cellular pathways are essential for tumor occurrence and progression and they have high potential to promote or suppress the expression of many genes. In this study, we profiled 19 selected cancer-associated lncRNAs in thirty gastric adenocarcinomas and matching normal tissues by qRT-PCR. Our results showed that most of the lncRNAs were significantly upregulated (12/19)...
April 6, 2018: Oncotarget
Wei Gong, Yi Cao, Yuanyuan Wang, Lei Yang, Wenpeng Su, Fuman Qiu, Soham Datta, Boqi Rao, Jianfeng Xian, Mingzhu Lin, Yingyi Feng, Xin Zhang, Yifeng Zhou, Xingcheng Gao, Jiachun Lu
Antisense RNA (AS) is a type of long non-coding RNAs that functions as a post-transcriptional regulatory element on regulating parental coding gene expression via directly binding to complementary mRNA sequences. We aimed to investigate the effect of the AS to FEZF1 gene on non-small cell lung cancer (NSCLC) development. The expression level of lncRNA FEZF-AS1 and FEZF1 was determined by the quantitative Real-time PCR in 160 cases of NSCLC tissues and their adjacent non-tumour tissues. We found that lncRNA FEZF-AS1 was significantly up-regulated in tumour tissues when compared to the adjacent non-cancerous tissues (P = 0...
April 24, 2018: Pathology, Research and Practice
Yiyi Wang, Jue Zhang
The current study aimed to identify novel long non‑coding RNAs (lncRNAs) associated with gastric cancer (GC). Transcriptome sequencing of the lncRNAs and mRNAs from GC tissues and normal adjacent tissues was performed. The data were analyzed using bioinformatics analysis, specifically analysis of differentially expressed lncRNAs and mRNA, target gene prediction and functional enrichment analysis. A total of 1,181 differentially expressed mRNA and 390 differentially expressed lncRNAs were identified. The targets of upregulated lncRNAs were significantly enriched in functions associated with collagen fibril organization, whereas the downregulated lncRNA were significantly associated with ion transmembrane transport and regulation of membrane potential...
April 16, 2018: Molecular Medicine Reports
Hidetaka Shima, Kumiko Kida, Shoko Adachi, Akimitsu Yamada, Sadatoshi Sugae, Kazutaka Narui, Yohei Miyagi, Mayuko Nishi, Akihide Ryo, Soichiro Murata, Hideki Taniguchi, Yasushi Ichikawa, Takashi Ishikawa, Itaru Endo
PURPOSE: Aldehyde dehydrogenase1 (ALDH1) is widely accepted as a stem cell marker for normal breast as well as in breast cancer. Although the clinical impact of ALDH1 was observed in our previous study, we do not know how ALDH1 affects stem cell features resulting in worsening of prognosis in breast cancer. The purpose of this study is to explore ALDH1-related gene and its function on cancer stem cell (CSC). METHODS: In five cases of ALDH1-positive triple-negative breast cancer, mRNA expression profile was compared between ALDH1-positive and ALDH1-negative cells by Affymetrix microarray analysis after microdissection...
April 24, 2018: Breast Cancer Research and Treatment
Heng Fan, Jian-Hua Zhu, Xue-Qing Yao
Multidrug resistance (MDR) is one of the primary causes of chemotherapy failure in colorectal cancer (CRC), and extensive biological studies into MDR are required. The non‑coding RNA plasmacytoma variant translocation 1 (PVT1) has been demonstrated to be associated with low survival rates in patients with CRC. However, whether PVT1 serves a critical function in the MDR of CRC remains to be determined. To determine the association between PVT1 expression and 5‑fluorouracil (5‑FU) resistance in CRC, the expression levels of PVT1 mRNA in 5‑FU‑resistant CRC tissues and cell lines (HCT‑8/5‑FU and HCT‑116/5‑FU) were assessed by a reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR)...
April 20, 2018: Molecular Medicine Reports
Bi Yao Mo, Xing Hua Guo, Meng Ru Yang, Fang Liu, Xuan Bi, Yan Liu, Lin Kai Fang, Xi Qing Luo, Julie Wang, Joseph A Bellanti, Yun Feng Pan, Song Guo Zheng
Rapidly accumulating evidence has now suggested that the long non-coding RNAs (LncRNAs), a large and diverse class of non-coding transcribed RNA molecules with diverse functional roles and mechanisms, play a major role in the pathogenesis of many human inflammatory diseases. Although some LncRNAs are overexpressed in plasma, T cell, and synovial tissues of patients with rheumatoid arthritis (RA), there is a dearth of knowledge in what role these transcripts play in fibroblast-like synoviocytes (FLSs) of these patients...
2018: Frontiers in Immunology
Stephen J Bush, Charity Muriuki, Mary E B McCulloch, Iseabail L Farquhar, Emily L Clark, David A Hume
BACKGROUND: mRNA-like long non-coding RNAs (lncRNAs) are a significant component of mammalian transcriptomes, although most are expressed only at low levels, with high tissue-specificity and/or at specific developmental stages. Thus, in many cases lncRNA detection by RNA-sequencing (RNA-seq) is compromised by stochastic sampling. To account for this and create a catalogue of ruminant lncRNAs, we compared de novo assembled lncRNAs derived from large RNA-seq datasets in transcriptional atlas projects for sheep and goats with previous lncRNAs assembled in cattle and human...
April 24, 2018: Genetics, Selection, Evolution: GSE
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